Waterproof case for portable handheld electronic device



FIG. 1 is a front perspective view of a waterproof case for portable handheld electronic device, showing my new design.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a right side view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dot-dash broken lines and the dash-dash broken lines that are immediately adjacent the shaded surfaces represent boundaries of the claimed design. All other dash-dash broken lines throughout the figures depict environmental structure that forms no part of the claimed design. All broken lines form no part of the claimed design. 

CLAIM The ornamental design for a waterproof case for portable handheld electronic device, as shown and described. 